• Can solar storms trigger earthquakes? • Scientists propose surprising link Solar storms might not just dazzle the skiesâ they could help nudge vulnerable faults toward earthquakes. • Scientists at Kyoto University have developed a theoretical model examining whether disturbances in the ionosphere could apply electrostatic forces deep within the Earth’s crust. • Under certain conditions, these forces might contribute to the start of large earthquakes. • The research is not designed to forecast earthquakes. • Instead, it outlines a possible physical mechanism showing how shifts in ionospheric charge levels – triggered by intense solar activity such as solar flares – might interact with already weakened areas of the crust and influence how fractures develop.

Article Summaries:

  • Scientists at Kyoto University propose a theoretical link between solar storms and earthquakes. Their model suggests that ionospheric disturbances from solar flares can generate strong electric fields that penetrate fault zones acting as capacitors. In critically stressed fractures, the resulting electrostatic pressure-potentially several megapascals-could help trigger seismic slip. The study does not claim direct causation or forecasting capability; instead it offers a new physical mechanism for how space‑weather changes might interact with weakened crustal regions. The authors cite coincident timing of recent Japanese quakes with intense solar activity, noting that this observation does not prove cause and effect.

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